一言既出，如箭射出。

A word spoken is an arrow let fly.

一言既出，驷马难追。听说日记十。

A word spoken is past recalling.

一言既出，驷马难追。中国古语：人生不如意十之八九。

More than 80 percent of one's life may be unsatisfactory.

我所创造的事物永不得更改，一言既出，永不召回或更改“

Unalterable shall be what I may bring into being, Neither recalled nor changed shall be the command of my lips."

一言既出，满座皆惊。 太太和五个女儿异口同声，急切地向他发问，这使他十分得意。

This caused general astonishment, and he had the pleasure of being eagerly questioned by his wife and five daughters all at the same time.